Facts: 
　　　　1.Up to 35% more UV efficiency because of reflection stainless steel interior 
　　　　2.UV-C bulb/Life span:9,000 hours 
　　　　3.Helps protect fish against diseases 
　　　　4.Cleans the pond without using chemice 
　　　　5.Clarifies the water within a fortnight 
　　　　6.Controls moulds, bacteria and algae 
　　　　7.Safe and good for your fish and plants 
　　　　8.PVC fittings included